【𝐀𝐂／𝐃𝐂 12𝐕】The voltage is AC/DC 12V, if you want to use standard 110-240V household lighting, please make sure the transformer is compatible with LED bulbs. Using halogen transformers can easily cause flickering. 【High Quality】G4 LED 3W replaces G4 30w halogen bulb, saving 90% energy consumption. G4 LED bulbs have a lifespan of up to 30,000 hours, more durable, save the cost of replacing bulbs. 【40x13x10𝐌𝐌】Standard G4 double pin, can be easily installed in a variety of G4 socket lamps. Size 40x13x10MM, slightly larger than G4 halogen bulbs, please make sure the size matches your fixture before purchasing. 【No Flicker】300LM, high color rendering, no flicker, uniform light to protect eyes. No UV or IR radiation. 𝐍𝐨𝐧 𝐝𝐢𝐦𝐦𝐚𝐛𝐥𝐞, not for use with dimmers. 【Wide Application】Perfect g4 LED bulb for crystal chandeliers, cabinet lights, landscape lighting, range hoods, ceiling lights, desk lamps, floor lamps, wall sconces, etc. Ideal for garden, patio, kitchen, bedroom, cabin,